update/org.eclipse.update.ui/src/org/eclipse/update/internal/ui/preferences/MainPreferencePage.java - platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.update.internal.ui.preferences;

 import java.net.*;

 import org.eclipse.core.runtime.*;
 import org.eclipse.jface.dialogs.*;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.preference.PreferencePage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.BusyIndicator;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.*;
 import org.eclipse.update.core.SiteManager;
 import org.eclipse.update.internal.core.UpdateCore;
 import org.eclipse.update.internal.operations.UpdateUtils;
 import org.eclipse.update.internal.ui.UpdateUI;
 import org.eclipse.update.internal.ui.UpdateUIMessages;

 /**
  * Insert the type's description here.
  * @see PreferencePage
  */
 public class MainPreferencePage
 	extends PreferencePage
 	implements IWorkbenchPreferencePage {

 	//private Label historySizeLabel;
 	private Text historySizeText;
 	private Button checkSignatureCheckbox;
 	private Button automaticallyChooseMirrorCheckbox;
 	private Button equivalentButton;
 	private Button compatibleButton;
 	private Text updatePolicyText;

 	// these two values are for compatibility with old code
 	public static final String EQUIVALENT_VALUE = "equivalent"; //$NON-NLS-1$
 	public static final String COMPATIBLE_VALUE = "compatible"; //$NON-NLS-1$

 	/**
 	 * The constructor.
 	 */
 	public MainPreferencePage() {
 		super();
 	}

 	/**
 	 * Insert the method's description here.
 	 */
 	public void init(IWorkbench workbench) {
 	}

 	/* (non-Javadoc)
 	 * Method declared on PreferencePage.
 	 */
 	protected Control createContents(Composite parent) {
         PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, "org.eclipse.update.ui.MainPreferencePage"); //$NON-NLS-1$

 		Composite mainComposite = new Composite(parent, SWT.NULL);
 		mainComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = 0;
 		layout.marginWidth = 0;
 		layout.numColumns = 2;
 		mainComposite.setLayout(layout);

 		Label historySizeLabel = new Label(mainComposite, SWT.NONE);
 		historySizeLabel.setText(UpdateUIMessages.MainPreferencePage_historySize);
 		historySizeText = new Text(mainComposite, SWT.SINGLE | SWT.BORDER);
 		historySizeText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		historySizeText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				historySizeChanged();
 			}
 		});

 		checkSignatureCheckbox =
 			new Button(mainComposite, SWT.CHECK | SWT.LEFT);
 		checkSignatureCheckbox.setText(UpdateUIMessages.MainPreferencePage_checkSignature);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 2;
 		checkSignatureCheckbox.setLayoutData(gd);
 		checkSignatureCheckbox.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (checkSignatureCheckbox.getSelection() == false) {
 					warnSignatureCheck(getShell());
 				}
 			}
 		});

 		automaticallyChooseMirrorCheckbox =
 			new Button(mainComposite, SWT.CHECK | SWT.LEFT);
 		automaticallyChooseMirrorCheckbox.setText(UpdateUIMessages.MainPreferencePage_automaticallyChooseMirror);
 		gd = new GridData();
 		gd.horizontalSpan = 2;
 		automaticallyChooseMirrorCheckbox.setLayoutData(gd);

 		createSpacer(mainComposite, 2);

 		Group group = new Group(mainComposite, SWT.NONE);
 		group.setText(UpdateUIMessages.MainPreferencePage_updateVersions);
 		group.setLayout(new GridLayout());
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 2;
 		group.setLayoutData(gd);

 		equivalentButton = new Button(group, SWT.RADIO);
 		equivalentButton.setText(UpdateUIMessages.MainPreferencePage_updateVersions_equivalent);

 		compatibleButton = new Button(group, SWT.RADIO);
 		compatibleButton.setText(UpdateUIMessages.MainPreferencePage_updateVersions_compatible);

 		createSpacer(mainComposite, 2);

 		group = new Group(mainComposite, SWT.NONE);
 		group.setText(UpdateUIMessages.MainPreferencePage_updatePolicy);
 		layout = new GridLayout();
 		layout.numColumns = 2;
 		group.setLayout(layout);
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 2;
 		group.setLayoutData(gd);

 		Label label = new Label(group, SWT.NULL);
 		label.setText(UpdateUIMessages.MainPreferencePage_updatePolicyURL);
 		updatePolicyText = new Text(group, SWT.SINGLE | SWT.BORDER);

 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		updatePolicyText.setLayoutData(gd);

 		//createSpacer(mainComposite, 2);
 		//createHttpProxy(mainComposite, 2);
 		initialize();
 		updatePolicyText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				textChanged();
 			}
 		});
 		return mainComposite;
 	}

 	public void createControl(Composite parent) {
 		super.createControl(parent);
 		Dialog.applyDialogFont(getControl());
 	}

 	protected void createSpacer(Composite composite, int columnSpan) {
 		Label label = new Label(composite, SWT.NONE);
 		GridData gd = new GridData();
 		gd.horizontalSpan = columnSpan;
 		label.setLayoutData(gd);
 	}

 	protected void createHttpProxy(Composite composite, int columnSpan) {
 		Group group = new Group(composite, SWT.NONE);
 		group.setText(UpdateUIMessages.MainPreferencePage_proxyGroup);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		group.setLayout(layout);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = columnSpan;
 		group.setLayoutData(gd);
 	}

 	private int getHistoryCount() {
 		try {
 			Integer count = new Integer(historySizeText.getText());
 			return count.intValue();
 		} catch (NumberFormatException e) {
 		}
 		return UpdateCore.getPlugin().getPluginPreferences().getDefaultInt(
 			UpdateCore.P_HISTORY_SIZE);
 	}

 	private void historySizeChanged() {

 		try {
 			int historySize = Integer.parseInt(historySizeText.getText());
 			if (historySize < 0) {
 				setValid(false);
 				setErrorMessage(UpdateUIMessages.MainPreferencePage_invalidHistorySize);
 				return;
 			}
 		} catch (NumberFormatException e) {
 			setValid(false);
 			setErrorMessage(UpdateUIMessages.MainPreferencePage_invalidHistorySize);
 			return;
 		}
 		setValid(true);
 		setErrorMessage(null);
 	}

 	public boolean performOk() {
 		BusyIndicator.showWhile(getControl().getDisplay(), new Runnable() {
 			public void run() {
 				try {
 					SiteManager.getLocalSite().setMaximumHistoryCount(
 						getHistoryCount());
 				} catch (CoreException e) {
 					UpdateUI.logException(e);
 				}
 			}
 		});

 		Preferences prefs = UpdateCore.getPlugin().getPluginPreferences();
 		prefs.setValue(
 			UpdateCore.P_CHECK_SIGNATURE,
 			checkSignatureCheckbox.getSelection());
 		prefs.setValue(UpdateCore.P_AUTOMATICALLY_CHOOSE_MIRROR, automaticallyChooseMirrorCheckbox.getSelection());
 		prefs.setValue(UpdateCore.P_HISTORY_SIZE, historySizeText.getText());
 		prefs.setValue(
 			UpdateCore.P_UPDATE_VERSIONS,
 			equivalentButton.getSelection()
 				? EQUIVALENT_VALUE
 				: COMPATIBLE_VALUE);
 		prefs.setValue(
 			UpdateUtils.P_UPDATE_POLICY_URL,
 			updatePolicyText.getText());

 		UpdateCore.getPlugin().savePluginPreferences();
 		return super.performOk();
 	}


 	private void initialize() {
 		Preferences prefs = UpdateCore.getPlugin().getPluginPreferences();

 		checkSignatureCheckbox.setSelection(
 			prefs.getBoolean(UpdateCore.P_CHECK_SIGNATURE));
 		automaticallyChooseMirrorCheckbox.setSelection(
 				prefs.getBoolean(UpdateCore.P_AUTOMATICALLY_CHOOSE_MIRROR));

 		historySizeText.setText(prefs.getString(UpdateCore.P_HISTORY_SIZE));

 		boolean isCompatible =
 			UpdateCore.COMPATIBLE_VALUE.equals(
 				prefs.getString(UpdateCore.P_UPDATE_VERSIONS));
 		equivalentButton.setSelection(!isCompatible);
 		compatibleButton.setSelection(isCompatible);

 		String text = prefs.getString(UpdateUtils.P_UPDATE_POLICY_URL);
 		updatePolicyText.setText(text);
 	}

 	private void textChanged() {
 		String text = updatePolicyText.getText();
 		if (text.length() > 0) {
 			try {
 				new URL(text);
 			} catch (MalformedURLException e) {
 				setValid(false);
 				setErrorMessage(UpdateUIMessages.UpdateSettingsPreferencePage_invalid);
 				return;
 			}
 		}
 		setValid(true);
 		setErrorMessage(null);
 	}

 	public void performDefaults() {
 		super.performDefaults();
 		Preferences prefs = UpdateCore.getPlugin().getPluginPreferences();

 		updatePolicyText.setText(""); //$NON-NLS-1$

 		checkSignatureCheckbox.setSelection(true);
 		automaticallyChooseMirrorCheckbox.setSelection(false);
 		historySizeText.setText(
 			prefs.getDefaultString(UpdateCore.P_HISTORY_SIZE));

 		equivalentButton.setSelection(true);
 		compatibleButton.setSelection(false);
 	}

 	private void warnSignatureCheck(Shell shell) {
 		MessageDialog.openWarning(shell, UpdateUIMessages.MainPreferencePage_digitalSignature_title,
 		UpdateUIMessages.MainPreferencePage_digitalSignature_message);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2007 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.update.internal.ui.preferences;

	import java.net.*;

	import org.eclipse.core.runtime.*;
	import org.eclipse.jface.dialogs.*;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.preference.PreferencePage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.BusyIndicator;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.layout.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.*;
	import org.eclipse.update.core.SiteManager;
	import org.eclipse.update.internal.core.UpdateCore;
	import org.eclipse.update.internal.operations.UpdateUtils;
	import org.eclipse.update.internal.ui.UpdateUI;
	import org.eclipse.update.internal.ui.UpdateUIMessages;

	/**
	* Insert the type's description here.
	* @see PreferencePage
	*/
	public class MainPreferencePage
	extends PreferencePage
	implements IWorkbenchPreferencePage {

	//private Label historySizeLabel;
	private Text historySizeText;
	private Button checkSignatureCheckbox;
	private Button automaticallyChooseMirrorCheckbox;
	private Button equivalentButton;
	private Button compatibleButton;
	private Text updatePolicyText;

	// these two values are for compatibility with old code
	public static final String EQUIVALENT_VALUE = "equivalent"; //$NON-NLS-1$
	public static final String COMPATIBLE_VALUE = "compatible"; //$NON-NLS-1$

	/**
	* The constructor.
	*/
	public MainPreferencePage() {
	super();
	}

	/**
	* Insert the method's description here.
	*/
	public void init(IWorkbench workbench) {
	}

	/* (non-Javadoc)
	* Method declared on PreferencePage.
	*/
	protected Control createContents(Composite parent) {
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, "org.eclipse.update.ui.MainPreferencePage"); //$NON-NLS-1$

	Composite mainComposite = new Composite(parent, SWT.NULL);
	mainComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
	GridLayout layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	layout.numColumns = 2;
	mainComposite.setLayout(layout);

	Label historySizeLabel = new Label(mainComposite, SWT.NONE);
	historySizeLabel.setText(UpdateUIMessages.MainPreferencePage_historySize);
	historySizeText = new Text(mainComposite, SWT.SINGLE \| SWT.BORDER);
	historySizeText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	historySizeText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	historySizeChanged();
	}
	});

	checkSignatureCheckbox =
	new Button(mainComposite, SWT.CHECK \| SWT.LEFT);
	checkSignatureCheckbox.setText(UpdateUIMessages.MainPreferencePage_checkSignature);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 2;
	checkSignatureCheckbox.setLayoutData(gd);
	checkSignatureCheckbox.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (checkSignatureCheckbox.getSelection() == false) {
	warnSignatureCheck(getShell());
	}
	}
	});

	automaticallyChooseMirrorCheckbox =
	new Button(mainComposite, SWT.CHECK \| SWT.LEFT);
	automaticallyChooseMirrorCheckbox.setText(UpdateUIMessages.MainPreferencePage_automaticallyChooseMirror);
	gd = new GridData();
	gd.horizontalSpan = 2;
	automaticallyChooseMirrorCheckbox.setLayoutData(gd);

	createSpacer(mainComposite, 2);

	Group group = new Group(mainComposite, SWT.NONE);
	group.setText(UpdateUIMessages.MainPreferencePage_updateVersions);
	group.setLayout(new GridLayout());
	gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 2;
	group.setLayoutData(gd);

	equivalentButton = new Button(group, SWT.RADIO);
	equivalentButton.setText(UpdateUIMessages.MainPreferencePage_updateVersions_equivalent);

	compatibleButton = new Button(group, SWT.RADIO);
	compatibleButton.setText(UpdateUIMessages.MainPreferencePage_updateVersions_compatible);

	createSpacer(mainComposite, 2);

	group = new Group(mainComposite, SWT.NONE);
	group.setText(UpdateUIMessages.MainPreferencePage_updatePolicy);
	layout = new GridLayout();
	layout.numColumns = 2;
	group.setLayout(layout);
	gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 2;
	group.setLayoutData(gd);

	Label label = new Label(group, SWT.NULL);
	label.setText(UpdateUIMessages.MainPreferencePage_updatePolicyURL);
	updatePolicyText = new Text(group, SWT.SINGLE \| SWT.BORDER);

	gd = new GridData(GridData.FILL_HORIZONTAL);
	updatePolicyText.setLayoutData(gd);

	//createSpacer(mainComposite, 2);
	//createHttpProxy(mainComposite, 2);
	initialize();
	updatePolicyText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	textChanged();
	}
	});
	return mainComposite;
	}

	public void createControl(Composite parent) {
	super.createControl(parent);
	Dialog.applyDialogFont(getControl());
	}

	protected void createSpacer(Composite composite, int columnSpan) {
	Label label = new Label(composite, SWT.NONE);
	GridData gd = new GridData();
	gd.horizontalSpan = columnSpan;
	label.setLayoutData(gd);
	}

	protected void createHttpProxy(Composite composite, int columnSpan) {
	Group group = new Group(composite, SWT.NONE);
	group.setText(UpdateUIMessages.MainPreferencePage_proxyGroup);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	group.setLayout(layout);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = columnSpan;
	group.setLayoutData(gd);
	}

	private int getHistoryCount() {
	try {
	Integer count = new Integer(historySizeText.getText());
	return count.intValue();
	} catch (NumberFormatException e) {
	}
	return UpdateCore.getPlugin().getPluginPreferences().getDefaultInt(
	UpdateCore.P_HISTORY_SIZE);
	}

	private void historySizeChanged() {

	try {
	int historySize = Integer.parseInt(historySizeText.getText());
	if (historySize < 0) {
	setValid(false);
	setErrorMessage(UpdateUIMessages.MainPreferencePage_invalidHistorySize);
	return;
	}
	} catch (NumberFormatException e) {
	setValid(false);
	setErrorMessage(UpdateUIMessages.MainPreferencePage_invalidHistorySize);
	return;
	}
	setValid(true);
	setErrorMessage(null);
	}

	public boolean performOk() {
	BusyIndicator.showWhile(getControl().getDisplay(), new Runnable() {
	public void run() {
	try {
	SiteManager.getLocalSite().setMaximumHistoryCount(
	getHistoryCount());
	} catch (CoreException e) {
	UpdateUI.logException(e);
	}
	}
	});

	Preferences prefs = UpdateCore.getPlugin().getPluginPreferences();
	prefs.setValue(
	UpdateCore.P_CHECK_SIGNATURE,
	checkSignatureCheckbox.getSelection());
	prefs.setValue(UpdateCore.P_AUTOMATICALLY_CHOOSE_MIRROR, automaticallyChooseMirrorCheckbox.getSelection());
	prefs.setValue(UpdateCore.P_HISTORY_SIZE, historySizeText.getText());
	prefs.setValue(
	UpdateCore.P_UPDATE_VERSIONS,
	equivalentButton.getSelection()
	? EQUIVALENT_VALUE
	: COMPATIBLE_VALUE);
	prefs.setValue(
	UpdateUtils.P_UPDATE_POLICY_URL,
	updatePolicyText.getText());

	UpdateCore.getPlugin().savePluginPreferences();
	return super.performOk();
	}


	private void initialize() {
	Preferences prefs = UpdateCore.getPlugin().getPluginPreferences();

	checkSignatureCheckbox.setSelection(
	prefs.getBoolean(UpdateCore.P_CHECK_SIGNATURE));
	automaticallyChooseMirrorCheckbox.setSelection(
	prefs.getBoolean(UpdateCore.P_AUTOMATICALLY_CHOOSE_MIRROR));

	historySizeText.setText(prefs.getString(UpdateCore.P_HISTORY_SIZE));

	boolean isCompatible =
	UpdateCore.COMPATIBLE_VALUE.equals(
	prefs.getString(UpdateCore.P_UPDATE_VERSIONS));
	equivalentButton.setSelection(!isCompatible);
	compatibleButton.setSelection(isCompatible);

	String text = prefs.getString(UpdateUtils.P_UPDATE_POLICY_URL);
	updatePolicyText.setText(text);
	}

	private void textChanged() {
	String text = updatePolicyText.getText();
	if (text.length() > 0) {
	try {
	new URL(text);
	} catch (MalformedURLException e) {
	setValid(false);
	setErrorMessage(UpdateUIMessages.UpdateSettingsPreferencePage_invalid);
	return;
	}
	}
	setValid(true);
	setErrorMessage(null);
	}

	public void performDefaults() {
	super.performDefaults();
	Preferences prefs = UpdateCore.getPlugin().getPluginPreferences();

	updatePolicyText.setText(""); //$NON-NLS-1$

	checkSignatureCheckbox.setSelection(true);
	automaticallyChooseMirrorCheckbox.setSelection(false);
	historySizeText.setText(
	prefs.getDefaultString(UpdateCore.P_HISTORY_SIZE));

	equivalentButton.setSelection(true);
	compatibleButton.setSelection(false);
	}

	private void warnSignatureCheck(Shell shell) {
	MessageDialog.openWarning(shell, UpdateUIMessages.MainPreferencePage_digitalSignature_title,
	UpdateUIMessages.MainPreferencePage_digitalSignature_message);
	}
	}